|  |  |  |
| --- | --- | --- |
|   | (b) | Lessee hereby waives, in relation to any such setoff by Lessor, all suretyship and guarantor defenses of every nature whatsoever.  |

  

 If the obligations are in different currencies, Lessor may convert either
obligation at the market rate of exchange available in New York. If the amount of an obligation is unknown, Lessor may, acting reasonably and in good faith, estimate the amount. Any difference between the estimated obligation and the actual
obligation will be paid by either Lessor or Lessee, as appropriate, when the amount becomes known. 

  




|  |  |
| --- | --- |
| 5.21 | **Expenses**  |

  

 Lessee will pay to Lessor on demand the reasonable expenses (including reasonable legal fees and expenses) that Lessor suffers or incurs: 

  




|  |  |  |
| --- | --- | --- |
|   | (a) | to deal with any amendments, extensions, consents or waivers that are requested by Lessee in connection with the Lease (but excluding any expenses incurred by Lessor or Owner in
connection with the negotiation, preparation and execution of this CTA, the Lease and any documents related thereto, with any change in the ownership of the Aircraft or with the financing of the Aircraft) or to deal with any replacement of any
Engine or Part;  |

  


- 22 -